func()

in json/parse.go [293:345]

• 43 lines of code
• 12 McCabe index (conditional complexity)

func (p *Parser) stepValue(b []byte, retState state) ([]byte, bool, error) {
	b = trimLeft(b)
	if len(b) == 0 {
		return b, false, nil
	}

	p.currentState = retState
	c := b[0]
	switch c {
	case '{': // start dictionary
		p.pushState(dictState)
		return b[1:], false, p.visitor.OnObjectStart(-1, structform.AnyType)

	case '[': // start array
		p.pushState(arrState)
		return b[1:], false, p.visitor.OnArrayStart(-1, structform.AnyType)

	case 'n': // parse "null"
		p.pushState(nullState)
		p.required = 3
		return p.stepNULL(b[1:])

	case 'f': // parse "false"
		p.pushState(falseState)
		p.required = 4
		return p.stepFALSE(b[1:])

	case 't': // parse "true"
		p.pushState(trueState)
		p.required = 3
		return p.stepTRUE(b[1:])

	case '"': // parse string
		p.literalBuffer = p.literalBuffer[:0]
		p.pushState(stringState)
		p.inEscape = false
		return p.stepString(b[:])

	default:
		// parse number?
		p.isDouble = false

		isNumber := c == '-' || c == '+' || c == '.' || isDigit(c)
		if !isNumber {
			return b, false, errUnknownChar
		}

		p.literalBuffer = p.literalBuffer0[:0]
		p.pushState(numberState)
		p.isDouble = false
		return p.stepNumber(b)
	}
}